* {
    font-size: 20px;
}

.important {
    font-weight: bold;
}
.warning {
    color: orangered;
}


a:link {    /*超链接访问前的样式*/
    text-decoration: none;   /*去除下划线*/
}
a:hover {   /*鼠标悬停时的样式*/
    font-size: 30px;
}
a:visited {
    color: gray;   /*访问后的样式*/
}

h2, h3 {
    text-align: center;
}

#p1 {
    color: darkred;
}

.cloud {
    font-weight: bold;
    color: purple;
}

h2 {
    font-size: 40px;
    color: purple;
}
h3 {
    color: blue;
}
p {
    color: green;
}

